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Internet of Things Programming with JavaScript by Ruben Oliva Ramos

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Raspberry Pi GPIO header

The following screenshot is a chart of the GPIO pins of the Raspberry Pi Zero. In this case, we will use the SPI configuration interface (SPI_MOSI, SPI_MISO, SPI_CLK, SPI_CE0_N):

Raspberry Pi GPIO header

The following diagram shows the name of the pins of the MCP3008 chip that you connect to the Raspberry Pi: 

Raspberry Pi GPIO header

The following image shows the temperature sensor:

Raspberry Pi GPIO header

You need to connect the following pins according to the next description:

  • VDD to 3.3 volts
  • VREF ...

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